Very flexible installation options thanks to three repositionable single HDD slots. You have seven possibilities for installing the HDDs - two of these hidden behind the PSU shroud. The practical slot covers serve to hide any unused HDD slots and keep the inner workings neat and tidy. This enables you to create systems that are just as individual as you are yourself. Motherboard tray and HDD slots with enhanced possibilities for individual requirements. Two be quiet! Silent Wings 3 140mm PWM fans. 4-step dual-rail fan controller is switchable between Silence and Performance modes. Ready for radiators up to 360mm. PSU shroud, ingenious cable routing and HDD slot covers for a neat interior. Fully windowed side panel from tinted and tempered glass. Motherboard compatibility : E-ATX (30.5 x 27.5cm), ATX, M-ATX, Mini-ITX